So, you think that this software is worth a few dollar to make the author happy? Feeling bad about giving unpersonal money? Check out the authors ThinkGeek wishlist! From 6$ to 300$, there's something for everyone's wallet there:

www.thinkgeek.com/brain/gimme.cgi

 

You can also just click one or two ads to help. Come one, what's it cost you?

Of course, you can also throw a dollar or two the authors' way using paypal:

Throw!